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Answers by Aaron V.

13x-18=-5x+36 (answer)

The answer is that "x" has a certain value that makes this equation true. If you add 18 to both sides, the equation becomes 13x = -5x + 54. If you add 5x to both sides, the equation becomes 18x = 54. If you divided both sides by 18, you find that x = 3. So, when x =...

Part A: If I'm understanding correctly, it's not possible to use 1¾ of the area of a poster because that's like saying you were going to use 175% of the area of the poster when it's only possible to use 100%. However, it is possible to use 4/5 of the area of the poster because that is 80%, which...